The BGP Instability Report is updated daily. This report
was generated on 23 May 2013 06:18 (UTC+1000)
50 Most active ASes for the past 7 days
50 Most active ASes for the past 7 days
50 Most active Prefixes for the past 7 days
7 Day BGP Profile: 16-May-2013 00:00 - 22-May-2013 23:59 (UTC+1000)
| Number of BGP Update Messages: | 1006649 | |
| Number of Prefix Updates: | 2271890 | |
| Number of Prefix Withdrawals: | 158790 | |
| Average Prefixes per BGP Update: | 2.41 | |
| Average BGP Update Messages per second: | 1.46 | |
| Average Prefix Updates per second: | 3.52 | |
| Peak BGP Update Message Rate per second: | 1288 | (02:02:31 Thu, 16-May-2013) |
| Peak Prefix Update Rate per second: | 1067 | (06:39:31 Thu, 16-May-2013) |
| Peak Prefix Withdraw Rate per second: | 5376 | (13:06:05 Thu, 16-May-2013) |
| Prefix Count: | 466420 | |
| Updated Prefix Count: | 197193 | |
| Stable Prefix Count: | 269227 | |
| Origin AS Count: | 44262 | |
| Updated Origin AS Count: | 22985 | |
| Stable Origin AS Count: | 21277 | |
| Unique Path Count: | 226428 | |
| Updated Path Count: | 138456 | |
| Stable Path Count: | 87972 |
Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type
Hourly Peak of Per-Second Updated Prefix Rate by Update Type
BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates
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The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.